exam Maths Puzzle Numerical Ability

Find a formula for the inverse of: f(x)=(5x-4)/7

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exam Other Question

Solve and graph the solution set on a number line. x + 10 > 4 (4,1) is one end of the diameter of a circle and the tangent through the point at the other end of the diameter has equation 3x-y=1. Determine the coordinates of the centre of the